| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 3400 x 1100 x 850 mm | |
|---|---|---|
| Per-seat module width | 850 mm | |
| Seat cushion height from floor | 480 mm | |
| Seat cushion depth (usable) | 620 mm | |
| Padded armrest width | 300 mm | |
| Floor clearance under sofa | 150 mm | |
| Lower back cushion height | 320 mm | |
| Upper headrest cushion height (neutral position) | 280 mm | |
| Armrest height from floor | 620 mm | |
| Seat cushion thickness | 180 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total sofa net weight | 180 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Leather upholstery abrasion resistance | 50000 cycles | |
| Seam stitch pitch | 30 mm | |
| Recommended seating capacity | 4 adults | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm | |
| Per-seat Load Reference | 130 kg/seat |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | 1.4mm thick top-grain tan leather | |
|---|---|---|
| Internal frame | Kiln-dried solid hardwood frame, 30mm section thickness | |
| Seat support system | 3.6mm diameter serpentine steel springs + elastic webbing | |
| Seat cushion fill | High-density polyurethane foam wrapped in 20mm down blend | |
| Back cushion fill | 35kg/m³ high-resilience foam + polyester fiber fill | |
| Support feet | Matte black powder-coated steel cylindrical feet | |
| Quilted panel structure | Precision grid-tufted stitching dividing all padded surfaces into square sections | |
| Module connection hardware | Heavy-duty steel latch connectors for securing adjacent modular sections | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% | |
| Spring / Webbing Specification | Sinuous spring wire 4 mm; elastic webbing 70 mm wide | |
| Leg Connector Specification | Reference M8-M10 with at least 1 mechanical fixing per leg | |
| Reference Upholstery Color Count | Recommended 8fabric/leather color options |
Adjustment / rotation / tilt / mobility / storage features
| Adjustable upper headrests | 3-position tilt adjustment, 20degree recline range | |
|---|---|---|
| Modular configuration | Connectable left arm, center seat, right arm modules to form linear layout | |
| Integrated wide padded armrests | Fixed fully upholstered armrests at both ends for arm support and side bracing | |
| Low-profile elevated base | Short support feet raise the sofa for floor clearance and easy cleaning under unit | |
| Fixed seat cushion alignment | Tufted seat cushions secured to frame to prevent sliding during use | |
| Back cushion ergonomic support | Two-tier back design provides separate lumbar and neck support at relaxed seating angle | |
| Cushion Service Configuration | Recommended 2removable/replaceable cushion methods |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Module Carton Dimensions | 2200× 1050× 850 mm | |
| Reference Packaging Volume | 1.8 m³/item | |
| Reference Packaged Gross Weight | 110 kg/item |
Recommended spaces / users / usage modes
| Residential living room | Primary use as main 4-seat seating for open-plan or large formal living areas | |
|---|---|---|
| Modern executive lounge | Suitable for upscale office reception or executive break room seating | |
| High-end apartment common areas | Appropriate for luxury rental lobbies or shared resident lounge spaces | |
| Home media room | Deep seat design supports relaxed long-duration seating for movie viewing | |
| Recommended pairing | Matches low-profile contemporary coffee tables 450 mm in height | |
| Target user group | Households or commercial spaces seeking premium leather modular seating for 4 people |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Domestic furniture strength, durability and safety requirements for seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance to smouldering cigarette |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to hardwood frame inspection | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fur, applicable to upholstery material testing | |
| GB/T 1952.1-2012 | Test methods for sofas, applicable to strength, durability and stability assessment |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to hardwood frame inspection; 2. GB 20400-2006: Limit of harmful substances in leather and fur, applicable to upholstery material testing; 3. GB/T 1952.1-2012: Test methods for sofas, applicable to strength, durability and stability assessment; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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